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     查询结果
    IP WHOIS详情如下:
    WHOIS Results for:104.21.84.23
    % [whois.apnic.net]
    % Whois data copyright terms http://www.apnic.net/db/dbcopyright.html

    % Information related to \'0.0.0.0 - 255.255.255.255\'

    % No abuse contact registered for 0.0.0.0 - 255.255.255.255

    inetnum: 0.0.0.0 - 255.255.255.255
    netname: IANA-BLOCK
    descr: General placeholder reference for all IPv4 addresses
    remarks: ------------------------------------------------------
    remarks:
    remarks: Important:
    remarks:
    remarks: This registration object does not contain
    remarks: specific registration details.
    remarks:
    remarks: This registration object is used only as a
    remarks: general placeholder for all IPv4 addresses
    remarks: and may include:
    remarks:
    remarks: - reserved address ranges
    remarks: - private use ranges
    remarks: - multicast ranges
    remarks: - address ranges administered by RIRs (Regional
    remarks: Internet Registries)
    remarks:
    remarks: If your query does not return an address range
    remarks: more specific than 0.0.0.0 - 255.255.255.255, it
    remarks: means the address is not administered by any RIR.
    remarks: For more specific information on the use of this
    remarks: IPv4 address space, see the Internet Assigned
    remarks: Numbers Authority (IANA) website at:
    remarks:
    remarks: http://www.iana.org
    remarks:
    remarks: ------------------------------------------------------
    country: AU
    admin-c: IANA1-AP
    tech-c: IANA1-AP
    mnt-by: MAINT-APNIC-AP
    mnt-lower: MAINT-APNIC-AP
    status: ALLOCATED PORTABLE
    last-modified: 2008-09-04T06:51:49Z
    source: APNIC

    role: Internet Assigned Numbers Authority
    address: see http://www.iana.org.
    admin-c: IANA1-AP
    tech-c: IANA1-AP
    nic-hdl: IANA1-AP
    remarks: For more information on IANA services
    remarks: go to IANA web site at http://www.iana.org.
    mnt-by: MAINT-APNIC-AP
    last-modified: 2018-06-22T22:34:30Z
    source: APNIC

    % This query was served by the APNIC Whois Service version 1.88.25 (WHOIS-AU2)


    工具简介
    通过IP WHOIS来实现对IP地址详细信息的查询,得到IP的详细信息的数据库(如IP使用人和IP使用人的相关信息等)